South Fork Flathead River above Twin Creek near Hungry Horse, MT
River level and flood forecast · Flathead County
Normal4.9 ftas of Mon 2:45 PM
Flow: 458 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 20.87 ft — June 8, 1964
- 15.2 ft — June 16, 1974
- 15.01 ft — May 17, 1997
- 14.87 ft — June 2, 1972
- 14.26 ft — May 14, 2013
Recent crests: 10.75 ft (May 12, 2025) · 14.26 ft (May 14, 2013) · 14.13 ft (June 7, 2011) · 13.98 ft (May 19, 2008) · 15.01 ft (May 17, 1997)
Up and down the river, and nearby
- Swan River near Bigfork, MT
- Flathead River at Foys Bend near Kalispell, MT
- South Fork Flathead River near Columbia Falls, MT
- Flathead River near Polson, MT
- Stillwater River at Lawrence Park at Kalispell, MT
- Flathead River at Columbia Falls, MT
- North Fork Sun River near Augusta, MT
- South Fork Sun River near Augusta, MT
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TNCM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.